// Code generated by smithy-go-codegen DO NOT EDIT.

package timestreamquery

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
	internalEndpointDiscovery "github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery"
	"github.com/aws/aws-sdk-go-v2/service/timestreamquery/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// A synchronous operation that allows you to submit a query with parameters to be
// stored by Timestream for later running. Timestream only supports using this
// operation with the PrepareQueryRequest$ValidateOnly set to true .
func (c *Client) PrepareQuery(ctx context.Context, params *PrepareQueryInput, optFns ...func(*Options)) (*PrepareQueryOutput, error) {
	if params == nil {
		params = &PrepareQueryInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "PrepareQuery", params, optFns, c.addOperationPrepareQueryMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*PrepareQueryOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type PrepareQueryInput struct {

	// The Timestream query string that you want to use as a prepared statement.
	// Parameter names can be specified in the query string @ character followed by an
	// identifier.
	//
	// This member is required.
	QueryString *string

	// By setting this value to true , Timestream will only validate that the query
	// string is a valid Timestream query, and not store the prepared query for later
	// use.
	ValidateOnly *bool

	noSmithyDocumentSerde
}

type PrepareQueryOutput struct {

	// A list of SELECT clause columns of the submitted query string.
	//
	// This member is required.
	Columns []types.SelectColumn

	// A list of parameters used in the submitted query string.
	//
	// This member is required.
	Parameters []types.ParameterMapping

	// The query string that you want prepare.
	//
	// This member is required.
	QueryString *string

	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationPrepareQueryMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson10_serializeOpPrepareQuery{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpPrepareQuery{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "PrepareQuery"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
		return err
	}
	if err = addRetryMiddlewares(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addClientUserAgent(stack, options); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addOpPrepareQueryDiscoverEndpointMiddleware(stack, options, c); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpPrepareQueryValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opPrepareQuery(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
		return err
	}
	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}

func addOpPrepareQueryDiscoverEndpointMiddleware(stack *middleware.Stack, o Options, c *Client) error {
	return stack.Finalize.Insert(&internalEndpointDiscovery.DiscoverEndpoint{
		Options: []func(*internalEndpointDiscovery.DiscoverEndpointOptions){
			func(opt *internalEndpointDiscovery.DiscoverEndpointOptions) {
				opt.DisableHTTPS = o.EndpointOptions.DisableHTTPS
				opt.Logger = o.Logger
				opt.EndpointResolverUsedForDiscovery = o.EndpointDiscovery.EndpointResolverUsedForDiscovery
			},
		},
		DiscoverOperation:            c.fetchOpPrepareQueryDiscoverEndpoint,
		EndpointDiscoveryEnableState: o.EndpointDiscovery.EnableEndpointDiscovery,
		EndpointDiscoveryRequired:    true,
		Region:                       o.Region,
	}, "ResolveEndpointV2", middleware.After)
}

func (c *Client) fetchOpPrepareQueryDiscoverEndpoint(ctx context.Context, region string, optFns ...func(*internalEndpointDiscovery.DiscoverEndpointOptions)) (internalEndpointDiscovery.WeightedAddress, error) {
	input := getOperationInput(ctx)
	in, ok := input.(*PrepareQueryInput)
	if !ok {
		return internalEndpointDiscovery.WeightedAddress{}, fmt.Errorf("unknown input type %T", input)
	}
	_ = in

	identifierMap := make(map[string]string, 0)
	identifierMap["sdk#Region"] = region

	key := fmt.Sprintf("Timestream Query.%v", identifierMap)

	if v, ok := c.endpointCache.Get(key); ok {
		return v, nil
	}

	discoveryOperationInput := &DescribeEndpointsInput{}

	opt := internalEndpointDiscovery.DiscoverEndpointOptions{}
	for _, fn := range optFns {
		fn(&opt)
	}

	endpoint, err := c.handleEndpointDiscoveryFromService(ctx, discoveryOperationInput, region, key, opt)
	if err != nil {
		return internalEndpointDiscovery.WeightedAddress{}, err
	}

	weighted, ok := endpoint.GetValidAddress()
	if !ok {
		return internalEndpointDiscovery.WeightedAddress{}, fmt.Errorf("no valid endpoint address returned by the endpoint discovery api")
	}
	return weighted, nil
}

func newServiceMetadataMiddleware_opPrepareQuery(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "PrepareQuery",
	}
}